Commit | Line | Data |
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f8beb284 MW |
1 | /*$Id: tagmsg.c,v 1.2 1999/10/07 23:31:01 lindberg Exp $*/ |
2 | /*$Name: ezmlm-idx-040 $*/ | |
3 | #include "stralloc.h" | |
4 | #include "scan.h" | |
5 | #include "fmt.h" | |
6 | #include "strerr.h" | |
7 | #include "cookie.h" | |
8 | #include "slurp.h" | |
9 | #include "errtxt.h" | |
10 | #include "subscribe.h" | |
11 | #include "makehash.h" | |
12 | #include <unistd.h> | |
13 | #include <libpq-fe.h> | |
14 | ||
15 | static stralloc line = {0}; | |
16 | static stralloc key = {0}; | |
17 | static char hash[COOKIE]; | |
18 | static char strnum[FMT_ULONG]; /* message number as sz */ | |
19 | ||
20 | static void die_nomem(fatal) | |
21 | char *fatal; | |
22 | { | |
23 | strerr_die2x(100,fatal,ERR_NOMEM); | |
24 | } | |
25 | ||
26 | void tagmsg(dir,msgnum,seed,action,hashout,bodysize,chunk,fatal) | |
27 | /* This routine creates a cookie from num,seed and the */ | |
28 | /* list key and returns that cookie in hashout. The use of sender/num and */ | |
29 | /* first char of action is used to make cookie differ between messages, */ | |
30 | /* the key is the secret list key. The cookie will be inserted into */ | |
31 | /* table_cookie where table and other data is taken from dir/sql. We log */ | |
32 | /* arrival of the message (done=0). */ | |
33 | ||
34 | char *dir; /* db base dir */ | |
35 | unsigned long msgnum; /* number of this message */ | |
36 | char *seed; /* seed. NULL ok, but less entropy */ | |
37 | char *action; /* to make it certain the cookie differs from*/ | |
38 | /* one used for a digest */ | |
39 | char *hashout; /* calculated hash goes here */ | |
40 | unsigned long bodysize; | |
41 | unsigned long chunk; | |
42 | char *fatal; | |
43 | { | |
44 | PGresult *result; | |
45 | PGresult *result2; /* Need for dupicate check */ | |
46 | char *table = (char *) 0; | |
47 | char *ret; | |
48 | unsigned int i; | |
49 | ||
50 | strnum[fmt_ulong(strnum,msgnum)] = '\0'; /* message nr ->string*/ | |
51 | ||
52 | switch(slurp("key",&key,32)) { | |
53 | case -1: | |
54 | strerr_die3sys(111,fatal,ERR_READ,"key: "); | |
55 | case 0: | |
56 | strerr_die3x(100,fatal,"key",ERR_NOEXIST); | |
57 | } | |
58 | cookie(hash,key.s,key.len,strnum,seed,action); | |
59 | for (i = 0; i < COOKIE; i++) | |
60 | hashout[i] = hash[i]; | |
61 | ||
62 | if ((ret = opensql(dir,&table))) { | |
63 | if (*ret) strerr_die2x(111,fatal,ret); | |
64 | return; /* no sql => success */ | |
65 | ||
66 | } else { | |
67 | if (chunk >= 53L) chunk = 0L; /* sanity */ | |
68 | ||
69 | /* INSERT INTO table_cookie (msgnum,cookie) VALUES (num,cookie) */ | |
70 | /* (we may have tried message before, but failed to complete, so */ | |
71 | /* ER_DUP_ENTRY is ok) */ | |
72 | if (!stralloc_copys(&line,"INSERT INTO ")) die_nomem(fatal); | |
73 | if (!stralloc_cats(&line,table)) die_nomem(fatal); | |
74 | if (!stralloc_cats(&line,"_cookie (msgnum,cookie,bodysize,chunk) VALUES (")) | |
75 | die_nomem(fatal); | |
76 | if (!stralloc_cats(&line,strnum)) die_nomem(fatal); | |
77 | if (!stralloc_cats(&line,",'")) die_nomem(fatal); | |
78 | if (!stralloc_catb(&line,hash,COOKIE)) die_nomem(fatal); | |
79 | if (!stralloc_cats(&line,"',")) die_nomem(fatal); | |
80 | if (!stralloc_catb(&line,strnum,fmt_ulong(strnum,bodysize))) | |
81 | die_nomem(fatal); | |
82 | if (!stralloc_cats(&line,",")) die_nomem(fatal); | |
83 | if (!stralloc_catb(&line,strnum,fmt_ulong(strnum,chunk))) die_nomem(fatal); | |
84 | if (!stralloc_cats(&line,")")) die_nomem(fatal); | |
85 | ||
86 | if (!stralloc_0(&line)) die_nomem(fatal); | |
87 | result = PQexec(psql,line.s); | |
88 | if (result == NULL) | |
89 | strerr_die2x(111,fatal,PQerrorMessage(psql)); | |
90 | if (PQresultStatus(result) != PGRES_COMMAND_OK) { /* Possible tuplicate */ | |
91 | if (!stralloc_copys(&line,"SELECT msgnum FROM ")) die_nomem(fatal); | |
92 | if (!stralloc_cats(&line,table)) die_nomem(fatal); | |
93 | if (!stralloc_cats(&line,"_cookie WHERE msgnum = ")) die_nomem(fatal); | |
94 | if (!stralloc_catb(&line,strnum,fmt_ulong(strnum,msgnum))) | |
95 | die_nomem(fatal); | |
96 | /* Query */ | |
97 | if (!stralloc_0(&line)) die_nomem(fatal); | |
98 | result2 = PQexec(psql,line.s); | |
99 | if (result2 == NULL) | |
100 | strerr_die2x(111,fatal,PQerrorMessage(psql)); | |
101 | if (PQresultStatus(result2) != PGRES_TUPLES_OK) | |
102 | strerr_die2x(111,fatal,PQresultErrorMessage(result2)); | |
103 | /* No duplicate, return ERROR from first query */ | |
104 | if (PQntuples(result2)<1) | |
105 | strerr_die2x(111,fatal,PQresultErrorMessage(result)); | |
106 | PQclear(result2); | |
107 | } | |
108 | PQclear(result); | |
109 | ||
110 | if (! (ret = logmsg(dir,msgnum,0L,0L,1))) return; /* log done=1*/ | |
111 | if (*ret) strerr_die2x(111,fatal,ret); | |
112 | } | |
113 | ||
114 | return; | |
115 | } |